South America

<p>Historical changes in soil carbon associated with land-use change (LUC) result mainly from the changes in the quantity of litter inputs to the soil and the turnover of carbon in soils. We use a factor

Climate change is ranked alongside the Islamic State as one of the world's two greatest threats with increasing numbers of people concerned about global warming, according to an international survey by

<p>The strong focus on species extinctions, a critical aspect of the contemporary pulse of biological extinction, leads to a common misimpression that Earth&rsquo;s biota is not immediately threatened,

<p>Plastics in the marine environment have become a major concern because of their persistence at sea, and adverse consequences to marine life and potentially human health. Implementing mitigation strategies

Small but inevitable rises in sea level will double the frequency of severe coastal flooding in most of the world with dire consequences for major cities that sit on coastlines, according to scientists.

The spread of pests and pathogens that damage plant life could cost global agriculture $540 billion a year, according to a report published on Thursday.
The report, released by the Royal Botanic Gardens

<p>Dengue is the most important arthropod-borne viral infection of humans, it is established in the tropics worldwide, and its geographical expansion is expected to increase due to factors such as modern